55.03 LIVESTOCK NEGLECT.
It is unlawful for a person who impounds or confines livestock in any place to fail to provide the livestock with care consistent with customary animal husbandry practices or to deprive the livestock of necessary sustenance or to injure or destroy livestock by any means which causes pain or suffering in a manner inconsistent with customary animal husbandry practices.
(Code of Iowa, Sec. 717.2)